Flight tickets from Philadelphia International to Seoul

Compare Philadelphia International to Seoul flight deals

Find the cheapest month or even day of the year to fly to Seoul

Book the best Seoul fare with no extra fees

Flight deals from Philadelphia International to Seoul

Looking for a cheap last-minute deal or the best return flight from Philadelphia International Airport to Seoul? If you want to travel next month, return fares start from ₹ 139,487. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Philadelphia International to Seoul

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Philadelphia International to Seoul flights are currently cheapest in August.

Alternative Philadelphia International to Seoul routes

Looking for the cheapest, fastest or easiest route from Philadelphia International to Seoul? You could fly into the following airports instead.

Philadelphia to Seoul: Flight information

The things to know before you go.
Cheapest flight found₹ 50,137
Cheapest month to flyAugust

Finding cheap flights from Philadelphia International to Seoul: Frequently asked questions

There are 2 airports in Seoul: Gimpo International and Incheon International.
The best price we found for a return flight from Philadelphia International to Seoul is ₹ 96,234. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Philadelphia International to Seoul. But we found flights with one or more stops from ₹ 96,234.
As of June 2026, there are no flights flying from Philadelphia International to Seoul.
The cheapest month to fly from Philadelphia International to Seoul is usually September.
If you're flying from Philadelphia International Airport, the cheapest airport near Seoul is Incheon International – which is 47.8 km away from the centre of Seoul. We've found flights into this airport from ₹ 96,234.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Philadelphia International Airport to Seoul on Tuesday, 1 September 2026.
No airlines currently offer direct flights between Philadelphia International Airport and Seoul. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seoul but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seoul is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 20°C. August is typically the warmest month in Seoul, when it usually averages around 28°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -8°C. The rainiest month is July.
Currently, United offers the cheapest flight tickets to Seoul.

Flying from Philadelphia International Airport (PHL) to Seoul: what you need to know

  • Seoul is 14 hours ahead of Philadelphia, where Philadelphia International Airport is located. Seoul observes the UTC+9 timezone.

  • Allow plenty of time to get on your PHL to Seoul flight. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months like July, it's a good idea to get to the airport earlier than usual. Arrive two hours before domestic departures and four hours ahead of international flights when you travel during peak periods in general.

  • We make it a breeze to book plane tickets from PHL to Seoul with a stopover. To see all your options, uncheck 'Direct flights only.' Then, pick a flight offering a stop long enough to see the sights of your chosen city. Top stopovers include:

    • Boston Logan International Airport (BOS)

    • Las Vegas Harry Reid International Airport (LAS)

    • Washington Dulles International Airport (IAD)

  • PHL is around 11 kilometres from central Philadelphia. If you're driving, catching a taxi or ride-sharing from the centre, it'll take 20 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the trip time to be around 30 minutes.

  • Want a relaxed start to your travels? Stay near PHL. Whether you're boarding an early flight from Philadelphia International Airport to Seoul or want to avoid feeling rushed, these hotels are a convenient choice:

  • When it comes to the on-time performance of Philadelphia International Airport, 77% of flights complete their journey on time.

  • The address for PHL is 8500 Essington Ave.

How to find the cheapest flights from Philadelphia International Airport (PHL) to Seoul

  • ₹ 50,137 is the cheapest price we've seen for a one-way Philadelphia International Airport to Seoul flight. A return ticket right now is ₹ 96,234. Depending on the availability and when you book, these fares can change.

  • Don't wait until the last moment. You're more likely to pick up cheap flights from PHL to Seoul if you book early. Airlines often have some fantastic early bird rates.

  • If you're flexible with your travel dates, use the 'Whole month' tool. It'll give you the lowest price across each month when looking for your Philadelphia International Airport to Seoul ticket.

  • Cut down on the time spent looking for cheap flights from PHL to Seoul by setting up a Price Alert. We'll send you an email or push notification on the app when a new discounted fare appears.

  • Choose your ideal departure and arrival times, number of stops and airlines with our filters. Then, sort the results for your flight from Philadelphia International Airport to Seoul by 'Cheapest,' 'Best' or 'Fastest.'

Airports in Seoul

Seoul Incheon International Airport (ICN)

  • The distance from Seoul Incheon International Airport (ICN) to central Seoul is roughly 48 kilometres. It'll take you around 1 hour 5 minutes to get to the centre driving.

  • Travelling to the centre on public transport will take you around 50 minutes.

  • Consider staying in a hotel near ICN if you have a late flight from Philadelphia International Airport to Seoul. Check in to one of these accommodation options and skip the long transfer:

  • Booking your vehicle from Seoul Incheon International Airport about four weeks ahead of your flight from PHL to Seoul can help you get the best possible rate.

Seoul Gimpo International Airport (GMP)

  • Seoul Gimpo International Airport (GMP) is about 16 kilometres from central Seoul. Following your flight from Philadelphia International Airport to Seoul, it'll take you around 30 minutes to reach the heart of the city in a taxi or ride-share.

  • You can expect the journey to take about 35 minutes on public transport.

  • After stepping off your PHL to Seoul flight, tuck yourself in at a hotel near GMP. These are some comfortable options that'll help you sink into relaxation mode:

  • Score the best price by securing your ride from GMP one week ahead of time. You'll also have access to a wider range of vehicles.

Best time to go to Seoul

  • It's time to choose your trip dates for your flight from Philadelphia International Airport to Seoul. January is the busiest month to travel to Seoul. If you want a quieter atmosphere, go in December.

  • The warmest month in Seoul is August, with temperatures ranging between 19ºC and 32ºC. Lock in your Philadelphia International Airport to Seoul plane ticket then if this is the type of weather you enjoy.

  • January sees average temperatures of between -12ºC and 4ºC. Search for a cheap ticket from PHL to Seoul around that time if you like travelling in cooler conditions.

More about Seoul

Explore more of South Korea

  • Seoul has its own special appeal, but there are so many other corners of South Korea you should also see. Around 322 kilometres southeast of Seoul, a trip to Busan will keep you on the move. Check out popular attractions like Gamcheon Culture Village, Haeundae Beach and Beautiful View Busan - Diamond Bridge.

  • Daegu is another standout destination in South Korea and is around 241 kilometres southeast of Seoul. No trip is complete without visiting Alive Aquarium Daegu, Nature Park and Seonsa Historical Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.